Alnus glutinosa 'Imperialis'
(Cut-leaf Alder) Alnus glutinosa 'Imperialis' is a slow growing and narrow small tree with deeply cut, sea-green leaves a little similar in appearance to those of a maple.
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Slow growing and unusual, slender small tree with filigree-like, deeply cut, sea-green leaves a little similar in appearance to those of a maple. The leaves are exceptionally pretty and elegant and once established this Alder has an attractive, vaguely oriental appearance.
Alnus glutinosa 'Imperialis' is a classic plant for damp sites and particularly ornamental when planted next to a pond or stream!
- Position: Full sun or partial shade.
- Soil: Any fertile soil. Alnus glutinosa 'Imperialis' will tolerate wet conditions or dry soils
- Hardiness: Hardy.
- Rate of Growth: Moderate.
- Habit: Alnus glutinosa 'Imperialis' grows to be a small tree with a narrow crown.
- Height: up to 8 m (26 ft)
- Spread: 4 m (13 ft)
- Notes: A specimen of Alnus glutinosa 'Imperialis', planted in the arboretum surrounding our nursery reached a height of 3.5 m, a spread of 2 m after 12 years. In our experience, this selection is more slow growing than other Alnus listed here and is therefore a better choice for small gardens.
- How Much Sun
- Full Sun, Light Shade
- Eventual Size
- Tree - Small (4m - 8m)
- Growing Conditions
- Soil: Damp/Wet, Soil: Not Fussy
- Special Features
- Honey Fungus Resistant, Habit - Narrow, Foliage - Unusual Shape